The Bellwether Institute is holding an idea challenge to reduce greenhouse gas emissions in the global consumer products supply chain. The challenge accepts the first 1,000 submissions by August 30th, 2014 on topics such as consumer behavior, product design, transportation practices, and more. Up to five winners will be selected by September 30th and receive $250 for the most practical ideas that reduce emissions in the supply chain. Submissions can be in English or other languages with English subtitles and must be in video or PowerPoint format.